144705680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{258403}}^1$

素因数の和:258423

約数の個数: 40

約数和(自身を含む): 384505152

約数和(自身を除く): 239799472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 258403, 516806, 1033612, 1292015, 1808821, 2067224, 2584030, 3617642, 4134448, 5168060, 7235284, 9044105, 10336120, 14470568, 18088210, 20672240, 28941136, 36176420, 72352840, 144705680]

約数ペア:

[(1, 144705680), (2, 72352840), (4, 36176420), (5, 28941136), (7, 20672240), (8, 18088210), (10, 14470568), (14, 10336120), (16, 9044105), (20, 7235284), (28, 5168060), (35, 4134448), (40, 3617642), (56, 2584030), (70, 2067224), (80, 1808821), (112, 1292015), (140, 1033612), (280, 516806), (560, 258403)]